Settings; Wireless And Networks; Data Usage - ZTE Grand X In Bedienungsanleitung

3. Touch Uninstall > OK.

Settings

Touch in the Home Screen and select Settings. The
Settings app contains most of the tools for customizing and
configuring your device.

Wireless and Networks

Wi-Fi
Turn on or off Wi-Fi and configure your Wi-Fi connections. See
Connecting to Networks and Devices – Connecting to Wi-Fi.
Bluetooth
Turn on or off Bluetooth and configure your Bluetooth
connections. See Connecting to Networks and Devices –
Connecting to Bluetooth Devices.

Data Usage

Touch the ON/OFF switch to turn on or off mobile data.
You can check how much data has been used during the time
circle you set, set a mobile data limit and warning, see what app
has been using mobile data, or restrict background data for
individual apps.
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